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육성 흑염소 방목 산지초지에서 사료가치, 사초 건물 수량 및 방목 강도의 계절별 변화에 관한 연구
성혜진,장세영,오미래,당옥교,정우령,김상우,최기준,전병태,문상호,Seong, Hye Jin,Jang, Se Young,Oh, Mi Rae,Tang, Yu Jiao,Ding, Yu Ling,Kim, Sang Woo,Choi, Gi Jun,Jeon, Byong Tae,Moon, Sang Ho 한국초지조사료학회 2016 한국초지조사료학회지 Vol.36 No.2
This study was conducted to determine grazing intensity of growing Korean native goats (Capra hircus coreanae) on mountainous pasture. It was carried out to obtain basic information for improvement of mountainous pasture management and establishing feeding system of Korean native goats. Castrated, male goats (n=10) with average initial body weight (BW) of $23.33{\pm}2.15kg$ and an average age of 4 months were used in this study. Grazing goats were supplemented by concentrates with 1.0% of BW. The crude protein content of forage was the highest in October ($22.71{\pm}0.25%$) and there were significantly differences (p<0.05) in monthly comparison. The forage productivity of pasture was the highest from May to June ($1718.7{\pm}207.5{\sim}1672.0{\pm}422.8kg/ha$ but it was decreased in July ($1356.0{\pm}103.8kg/ha$) because of drought and summer depression. Average daily gains (ADG) of goats were the highest in June ($99.5{\pm}6.4d/g$). Grazing intensity was calculated by forage productivity and dry matter intake (DMI) and was the highest in May (65 head/ha). As shown in the results of this research, grazing intensity was suggested to average 39 head/ha from May to October. It is desirable that adequate grazing intensity was maintained by adjusting supplemental feed. 본 연구는 산지초지에서 흑염소 방목 시 건물 채식량과 사초 생산량의 분석을 통해 적정 방목 강도와 초지 건물 수량 및 일당증체량의 계절별 변화를 비교 분석하여 산지 초지 활용성 제고에 대한 기초 자료를 제공하기 위해 수행되었다. 공시가축은 평균 $23.33{\pm}2.15kg$의 4개월 령 거세 흑염소 10두였다. 보충사료의 급여수준은 체중 1%로 고정 급여하여 실험을 수행하였다. 산지 초지를 이용한 흑염소 방목지의 경우 계절별 사료 가치는 대부분 비교적 안정적으로 유지되었다. 조단백질 함량은 10월에($22.71{\pm}0.25%$) 가장 높았으며, 월별 조단백질 함량에 대한 유의적인 차이가 인정되었다(p<0.05). 방목지의 사초 건물수량의 경우, 5월~6월에($1718.7{\pm}207.5-1672.0{\pm}422.8kg/ha$) 가장 높은 수량을 보였으나 여름철 하고현상으로 인해 7월($1,356.0{\pm}103.8kg/ha$)에 생산성이 급격히 감소하였다. 계절별에 따른 흑염소 방목 시 일당 증체량은 실험 기간 중 6월에 $99.5{\pm}6.4d/g$으로 가장 높은 값을 나타냈다. 결과적으로 연중 방목 시 월별 사초 생산성은 변동이 있으나, 흑염소의 건물 채식량은 성장에 따라 증가하기 때문에 월별 방목 적정 두수의 조절이 필요할 것으로 판단되었다. 계절별 방목 강도 설정은 초지의 계절별 생산성과 채식량을 기준으로 분석되었으며, 5월(65두/ha)에 가장 높은 값을 나타냈다. 본 실험 기간 동안의 평균 방목 강도는 39두/ha이며 계절별로 이를 초과하거나 부족할 시 보충 사료의 가감을 통하여 적정 방목 강도를 유지하는 것이 바람직하다고 사료된다.
과학 탐구 활동의 유형과 과학 탐구의 특징에 대한 초등학생의 인식
성혜진 ( Seong Hyejin ),임희준 ( Lim Heejun ) 한국초등과학교육학회 2018 초등과학교육 Vol.37 No.4
This study investigated elementary students’ perception of the suitability of inquiry activities related to the science inquiry, essential features of the inquiry and essential features of the inquiry by science inquiry activities. First, 5-6th grade elementary students’ perception of the suitability of inquiry activities to the science inquiry was positive in this study and especially the score of experiment and field trip was high. The lowest score was on the discussion and elementary students thought that discussion might be wrong, because they just talked when they participated in the discussion. Second, perception of the essential features of science inquiry was positive. Especially, engaging students in evaluating their explanations in the light of alternative explanations was the highest. Students thought that explanation is important, but it is too hard to perform the science inquiry with only the explanation. Third, the score of research and experiment was high in essential features of science inquiry by science inquiry activities. The score of the field trip was low, so a more meaningful field trip should be carried out in the school.
성혜진(Seong, Hyejin),이규호(Lee, Gyuho),임희준(Lim, Heejun) 경인교육대학교 교육연구원 2022 교육논총 Vol.42 No.1
이 연구에서 우리는 초등학교 교사들이 생각하는 ‘지층’ 단원에서 배워야만 한다고 생각하는 용어와 개념들에 대해 조사하였다. 특히, 개정된 교육과정의 변화에 따라 새롭게 등장하거나 사라진 개념들에 초점을 맞추어서 현직 교사들의 생각을 알아보았다. 또한 우리는 2007, 2009, 2015 개정 교육과정에서 제시된 각각의 성취 기준들과 각각의 교육과정 상의 교과서 탐구 활동 중에서 ‘지층’ 단원을 가르치기에 적절한 것은 무엇인지 알아보았다. 연구는 101명의 초등학교 교사들을 대상으로 이루어졌으며 그 결과는 다음과 같다. 첫째, 교사들은 ‘지층’, ‘퇴적암’, ‘화석’, ‘암석’과 같은 용어들은 배워야만 한다고 생각하였다. 개별적인 암석명의 경우는 암석명에 따라 의견이 조금씩 달랐다. 둘째, 교사들은 ‘암석’, ‘단층’과 같은 개념들은 기본적이며 이해 가능한 개념들이기 때문에 학생들이 배워야하는 개념이라고 생각하였다. 셋째, 학생들의 수행 가능성은 적절한 성취기준을 결정하는 가장 중요한 기준이었다. 넷째, 교육과정 성취기준과 관련 탐구활동 간의 상관관계가 매우 낮았다. 연구 결과, 교사가 가르치는 데 필요하다고 생각하는 용어, 개념, 성취기준, 탐구활동 등은 현재 적용되는 교과서에서 제시한 내용과 차이가 있는 것으로 나타났다. 그러나 현행 교육과정에서는 학습 내용과 교수법이 지나치게 엄밀하게 제시되어 있기 때문에 교사가 원하는 방식으로 학생을 가르칠 수 없고 그 결과 학생들의 수업에 부정적인 영향을 미칠 수 있다. In this study, we investigated the terms and concepts that form part of instruction in the stratum unit, as indicated by elementary school teachers. In particular, we examined the ideas of in-service teachers, focusing on concepts that disappeared or appeared for the first time in the course of revision of the curriculum. We also looked at what was appropriate to teach the stratum unit in the revised curriculum achievement criteria for 2007, 2009, and 2015 and the accompanying textbook inquire activities. In this study, a total of 101 elementary school teachers participated, and the results were as follows. First, the teachers believed that the terms stratum, sedimentary rock, fossil, and rock must be explicitly taught. For the individual rock names, they presented a range of opinions depending on particular rock. Second, because concepts such as rock and fault are fundamental and understandable concepts they thought that the concepts must be learned. Third, students’ ability to perform was the most important criterion in determining appropriate achievement criteria. Fourth, the correlation between the curriculum achievement criteria and the associated inquire activities was very low. As a result of the research, it was found that the terms, concepts, achievement criteria, and inquiry activities that teachers reported needing to teach differ from what is found in currently textbooks. However, in the current curriculum, because learning content and teaching methods are presented too rigorously, teachers cannot teach students in the way they want, which can negatively affect students’ instruction.
청소년 교정환자의 임상적 특성과 통제소재가 교정치료 협조도에 미치는 영향
성혜진 ( Hye Jin Seong ),정지혜 ( Ji Hye Jeong ),이소영 ( So Young Lee ),조미숙 ( Mi Suk Cho ),류혜겸 ( Hae Gyum Ryu ),권현숙 ( Hyeon Sook Kwun ),유병철 ( Byeng Chul Yu ) 한국치위생과학회 2016 치위생과학회지 Vol.16 No.1
Cooperation of the patients in orthodontic treatment is an essential element. This study examines the internal and external restriction factors and level of cooperation for orthodontic treatment of adolescent orthodontic treatment patients, and the factors that impart influence on the level of cooperation for orthodontic treatment. ‘Form for students’ among the indices of internal and external restrictions for orthodontics, which is an adaption of ‘Orthodontic Locus of Control Scale’ was used as survey tool, and ‘Reliability and Stability of the Orthodontic Patient Cooperation Scale’ was used as survey tool for the level of cooperation of orthodontic patients. As the result of examination of the effect of internal and external restriction factors on level of cooperation for orthodontic treatment by compensating the general characteristics in the multiple regression analysis, it was found that the level of cooperation for orthodontic treatment is higher for the patients who believe there is strong influence of external restrictions-patents-on the events that determines orthodontic treatment. In order to enhance the level of cooperation for orthodontic treatment of adolescent orthodontic patients, there is a need to assess the relationship between the patient and parents as well as the attitude or psychological state of the patients on orthodontic treatment.
한일 국교 정상화 전후 부산의 일본인 유골 문제를 둘러싼 위령(慰霊)의 정치
성혜진(SEONG, Hyejin),신종대(SHIN, Jongdae) 동북아시아문화학회 2023 동북아시아문화학회 국제학술대회 발표자료집 Vol.2023 No.10
This study aims to examine how the private and national levels of both Korea and Japan have responded to a series of incidents, such as the disposal of remains and memorial tablets left in the Japanese cemetery due to Busans urban development plan, before and after the normalization of diplomatic relations between Korea and Japan. Until now, many studies have been conducted in both Korea and Japan regarding deaths during the Asia-Pacific War, but these have primarily focused on soldiers. Specifically, in Korea, the focus has been on Korean remains, with Japanese remains in Korea only incidentally mentioned in relation to Korean remains research. Therefore, this study acknowledges that both Countries have overlooked research concerning the investigation and repatriation of the remains of colonists who died in the colonial city of Busan. It aims to expand the scope of the study beyond the existing focus on the politics of Japanese dead, primarily centered on the relocation of comforting the spirits of deceased Japanese, to encompass the significance of rituals related to Japanese civilian deaths in colonies. Before and after the political agreement between the two countries to normalize diplomatic relations between Korea and Japan, the civilian level of Korea and Japan consoled the dead against the backdrop of their own view of death. On the contrary, at the national level, both contries are responding to and dealing with Japanese remains based on political judgment. Meanwhile, the Japanese side has been continuing the politics of comforting the spirits by putting a private organization composed of Japanese individuals in Busan at the forefront as the organizer.